Piston Ring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Note | ||||
| With AC, Add | 0.7 | 0.4 | A | |
| With PS, Add | 0.5 | 0.3 | A | |
| With Auto Trans, Add | 1.7 | 1.2 | A | |
| One CYL | 15.7 | 11.1 | A | Includes: R&R Engine On TrooperII Models Only. R&R Cylinder Head R&R Oil Pan, Hone Cylinder Walls And Plastigage Bearings. |
| All Cyls | 16.7 | 11.7 | A | Includes: R&R Engine On TrooperII Models Only. R&R Cylinder Head R&R Oil Pan, Hone Cylinder Walls And Plastigage Bearings. |